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Updated on March 26, 1999 |
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軌道要素The following improved orbital elements by Kenji Muraoka, are from 160 observations 1998 Apr. 22 to Dec. 27, perturbations by 9 Planets, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.56 arc seconds. Epoch = 1998 Aug. 15.0 TT JDT = 2451040.5 T = 1998 Sept. 1.01935 +/- 0.00334 (m.e.) TT Peri. = 165.24641 +/- 0.00085 Node = 18.25555 +/- 0.00066 (2000.0) Incl. = 35.63678 +/- 0.00026 q = 3.4166407 +/- 0.0000219 AU e = 0.9451411 +/- 0.0000595 1/a = +0.0160564 +/- 0.0000174 1/AU ( P = 492 years )
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星図
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光度変化m1 = 6.5 + 5 logΔ + 10.0 log r [ ,0] ( 〜1998年 8月31日) m1 = 9.0 + 5 logΔ + 10.0 log r [0, ] (1998年 8月31日〜 )
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軌道要素は村岡健治氏の計算によるものです。
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